Phuket to Helena, MT: time difference
Helena, MT is 13 h behind Phuket. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Phuket 14:11 2:11 PM Helena, MT 01:11 1:11 AM You –:–
14:11 2:11 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:14
01:11 1:11 AM
Mountain Daylight Time · UTC-6
☀️ 07:38 · 🌙 18:54
·
−13 h
Helena, MT is 13 h behind Phuket.
When you, Phuket and Helena, MT are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇭 Phuket
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Helena, MT
11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Phuket | 🇺🇸 Helena, MT |
|---|---|---|
| Local time | 14:11 | 01:11 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Indochina Time | Mountain Daylight Time |
| UTC offset | UTC+7 | UTC-6 |
| Offset from Phuket | — | −13 h |
| IANA zone | Asia/Bangkok | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 06:14 | 07:38 |
| Sunset | 18:14 | 18:54 |
| Daylight | 12 h | 11 h 16 min |
| People on this clock | 79,308 | 32,091 |
Compare Phuket with another city
More comparisons with Phuket: the time zones next to it and the far side of the clock.
Big time differences
Phuket and Helena, MT: common questions
What is the time difference between Phuket and Helena, MT?
Helena is 13 hours behind: it uses UTC−6, while Phuket is on UTC+7.
What time is it in Helena, MT, when it is 9:00 AM in Phuket?
When it is 9:00 AM in Phuket, it is 8:00 PM (the previous day) in Helena.
What time is it in Helena, MT, when it is 6:00 PM in Phuket?
When it is 6:00 PM in Phuket, it is 5:00 AM in Helena.
When is a good time to call Helena, MT, from Phuket?
Working hours (9:00 AM–6:00 PM) in Phuket and in Helena do not overlap. At 9:00 AM in Phuket it is 8:00 PM (the previous day) in Helena; when the working day starts in Helena, it is 10:00 PM in Phuket.
When is it still the previous day in Helena, MT?
Until 1:00 PM in Phuket it is still the previous day in Helena. The other way round, from 11:00 AM in Helena it is already the next day in Phuket.
Does the time difference between Phuket and Helena, MT, change?
Yes. The clocks change only in Helena. From November 1, 2026, Helena will be 14 hours behind Phuket.
